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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

VLR

HLR

BTS(2)

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

VLR

HLR

BTS(2)

1-1: MS phat tn hiu yu cuknh qua knh RACH

1-1:Yu cuknh

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MSC

BTS(1)BSC

VLR

HLR

BTS(2)

1-2:Chp nhnhoc ko chotruy cp

1-2:BSC cho php MS truy

cp mng(nu c knh) ko cho php nu ko c

knh ri

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

VLR

HLR

BTS(2)

1-3:Thit lp bo hiu

1-3: Thit lp bo hiugia MS v BSC

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

LHL

BTS(2)

C CC

2: Yu Cu Dch v

C :yu cu ni thngCC:Xc nhn ni thng

L tin hnh nhn thc(nu MS tng ng k y)Hoc tham chiu ti HL ly thng tin nhn thc

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

LHL

BTS(2)

Nu qu trnh nhn thc hp l,thtin hnh thit lp cuc gi.

Cn nu ko hp l,MS s nhnc thng boT chi nhn

thc)

3: Nhn thc,mtm

Yu cu nhn thc

p ng nhn thc

Yu cu mt m

p ng mt m

Tt c thng quaSDCCH

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

LHL

BTS(2)

4: thit lp cuc gi :Loicuc gi,s b gi(SDCCH)

4: thit lp cuc gi

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

LHL

BTS(2)

Yu cu kim traIMEI( Tu thucnh mng..)

5: kim tra IMEI(

Ty chn)

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

LHL

BTS(2)

6:Thit lp cuc gi honthnh

BTS gi thng boang xl cuc gi cho Ms thng

qua SDCCH

6:hon thnh

thit lp cuc gi

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

LHL

BTS(2)

Lnh chnh: MSC chnh knh lulng cho BSC,BST chnh TCH vtuyn cho MS.

Hon thnh chnh:Ms trli li BSC v gi ti MSC

6: Thit lp v honthnh thit lp TCH

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

VLR

HLR

BTS(2)

MSC/VLR xc nh cvng LAI ca MS b gi,thng qua thng tin qu trinh thit lp cuc

gi

7:Tm MS b gi

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Thit lp cuc gi trong GSM

MSC

BTS(1)BSC

VLR

HLR

BTS(2)

BSC gi thng bo tmgi n BTS vng LAI xc nh

V BTS pht bn tin tm

gi MS thng qua knhPCH

7:Pht tn hiutm gi MS

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1) BSC

VLR

HLR

BTS(2)

MS gi bn tin yu cuknh thng qua RACH

8: Xc nhn vyu cu knh

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1) BSC

VLR

HLR

BTS(2)

BSC gi AGCH chophp MS truy cp(giai on ny c thbtchi hay ko?)

9:BSC cho

php MS truy

nhp( AGCH),

Ms gi bn tin thit lp vyu cuTMSI(SDCCH)

8/8/2019 Call-setup GSM

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Thit lp cuc gi trong GSM

MSC

BTS(1) BSC

VLR

HLR

BTS(2)

10:Cp phtTMSI v hon

thnh thitlp cuc gi

TMSI

TMSI

TMSI

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Thit lp cuc gi trong GSM

MSC

BTS(1) BSC

VLR